Completed wesbos#5

Author: smchenrybc

05 - Flex Panel Gallery/index-START.html

@@ -24,6 +24,8 @@
     .panels {
       min-height:100vh;
       overflow: hidden;
+      display: flex;
+      flex-direction: row;
     }
 
     .panel {
@@ -41,19 +43,43 @@
       font-size: 20px;
       background-size:cover;
       background-position:center;
+      flex: 1;
+      justify-content: center;
+      align-items: center;
+      display: flex;
+      flex-direction: column;
     }
 
-
-    .panel1 { background-image:url(https://source.unsplash.com/gYl-UtwNg_I/1500x1500); }
-    .panel2 { background-image:url(https://source.unsplash.com/rFKUFzjPYiQ/1500x1500); }
-    .panel3 { background-image:url(https://images.unsplash.com/photo-1465188162913-8fb5709d6d57?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&w=1500&h=1500&fit=crop&s=967e8a713a4e395260793fc8c802901d); }
-    .panel4 { background-image:url(https://source.unsplash.com/ITjiVXcwVng/1500x1500); }
-    .panel5 { background-image:url(https://source.unsplash.com/3MNzGlQM7qs/1500x1500); }
+    /* hat tip: https://source.unsplash.com */
+    .panel1 { background-image:url('https://source.unsplash.com/1500x1500/?hawaii'); }
+    .panel2 { background-image:url('https://source.unsplash.com/1500x1500/?bali'); }
+    .panel3 { background-image:url('https://source.unsplash.com/1500x1500/?tahiti'); }
+    .panel4 { background-image:url('https://source.unsplash.com/1500x1500/?fiji'); }
+    .panel5 { background-image:url('https://source.unsplash.com/1500x1500/?bermuda'); }
 
     .panel > * {
-      margin:0;
+      margin: 0;
       width: 100%;
-      transition:transform 0.5s;
+      transition: transform 0.5s;
+      /* border:  1px solid red; */
+      flex: 1 0 auto;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+    }
+
+    .panel > *:first-child {
+      transform: translateY(-100%);
+    }
+    .panel.open-active > *:first-child {
+      transform: translateY(0);
+    }
+
+    .panel > *:last-child {
+      transform: translateY(100%);
+    }
+    .panel.open-active > *:last-child {
+      transform: translateY(0);
     }
 
     .panel p {
@@ -68,6 +94,7 @@
 
     .panel.open {
       font-size:40px;
+      flex: 5;
     }
 
   </style>
@@ -102,6 +129,25 @@
   </div>
 
   <script>
+    const panels = document.querySelectorAll('.panel');
+
+    function toggleOpen() {
+      this.classList.toggle('open');
+    }
+    function toggleActive(e) {
+      // console.log(e.propertyName);
+
+      const propName = e.propertyName;
+
+      if (propName.includes('flex')) {
+        this.classList.toggle('open-active');
+      }
+
+      // this.classList.toggle('.open-active');
+    }
+
+    panels.forEach(panel => panel.addEventListener('click', toggleOpen));
+    panels.forEach(panel => panel.addEventListener('transitionend', toggleActive));
 
   </script>